| Cities | Distance |
|---|---|
| Herne to Oestrich-Winkel | 112.43 mi (180.94 km) |
| Herne to Offenburg | 215.40 mi (346.65 km) |
| Herne to Oftersheim | 162.15 mi (260.96 km) |
| Herne to Ohrdruf | 160.20 mi (257.82 km) |
| Herne to Ohringen | 190.99 mi (307.37 km) |
| Herne to Olbernhau | 272.18 mi (438.03 km) |
| Herne to Olching | 294.70 mi (474.27 km) |
| Herne to Oldenburg | 117.89 mi (189.73 km) |
| Herne to Oldenburg in Holstein | 243.71 mi (392.21 km) |
| Herne to Olfen | 13.55 mi (21.81 km) |
| Herne to Olpe | 45.47 mi (73.18 km) |
| Herne to Olsberg | 56.26 mi (90.54 km) |
| Herne to Oranienburg | 268.34 mi (431.86 km) |
| Herne to Ortenberg | 114.94 mi (184.98 km) |
| Herne to Oschatz | 254.29 mi (409.24 km) |